Portal:Environment
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Portal:Environment

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Welcome to the Environment Portal
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Introduction

Land management has preserved the natural characteristics of Hopetoun Falls, Australia while allowing ample access for visitors.

The natural environment or natural world encompasses all living and non-living things occurring naturally, meaning in this case not artificial. The term is most often applied to the Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity. The concept of the natural environment can be distinguished as components:

In contrast to the natural environment is the built environment. In such areas where humans have fundamentally transformed landscapes such as urban settings and agricultural land conversion, the natural environment is greatly changed into a simplified human environment. Even acts which seem less extreme, such as building a mud hut or a photovoltaic system in the desert, the modified environment becomes an artificial one. Though many animals build things to provide a better environment for themselves, they are not human, hence beaver dams, and the works of mound-building termites, are thought of as natural.

People seldom find absolutely natural environments on Earth, and naturalness usually varies in a continuum, from 100% natural in one extreme to 0% natural in the other. More precisely, we can consider the different aspects or components of an environment, and see that their degree of naturalness is not uniform. If, for instance, in an agricultural field, the mineralogic composition and the structure of its soil are similar to those of an undisturbed forest soil, but the structure is quite different.

Natural environment is often used as a synonym for habitat, for instance, when we say that the natural environment of giraffes is the savanna. (Full article...)

A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale from microscopic to global in extent. It can also be subdivided according to its attributes. Examples include the marine environment, the atmospheric environment and the terrestrial environment. The number of biophysical environments is countless, given that each living organism has its own environment.

The term environment can refer to a singular global environment in relation to humanity, or a local biophysical environment, e.g. the UK's Environment Agency. (Full article...)

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About 85% of the total primary energy supply in Iceland is derived from domestically produced renewable energy sources. This is the highest share of renewable energy in any national total energy budget. Geothermal energy provided about 65% of primary energy in 2016, the share of hydropower was 20%, and the share of fossil fuels (mainly oil products for the transport sector) was 15%.

In 2015, the total electricity consumption in Iceland was 18,798 GWh. Renewable energy provided almost 100% of production, with about 73% coming from hydropower and 27% from geothermal power. Most of the hydropower plants are owned by Landsvirkjun (the National Power Company) which is the main supplier of electricity in Iceland. (Full article...)

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Chemical structure of carbon dioxide

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Future ozone layer concentrations.gif

An animated image showing projections of stratospheric ozone concentrations if chlorofluorocarbons (CFCs) had not been banned. CFCs and other halogenated ozone-depleting substances are mainly responsible for man-made chemical ozone depletion. Since the ozone layer absorbs UVB ultraviolet light, its depletion is expected to increase surface UVB levels, which could lead to damage, including increase in skin cancer.

Current events

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Maathai in 2001

Wangar? Muta Maathai (; 1 April 1940 - 25 September 2011) was a Kenyan social, environmental, and political activist and the first African woman to win the Nobel Peace Prize. As a beneficiary of the Kennedy Airlift she studied in the United States, earning a Bachelor's Degree from Mount St. Scholastica and a Master's Degree from the University of Pittsburgh. She went on to become the first woman in East and Central Africa to become a Doctor of Philosophy, receiving her Ph.D. from the University of Nairobi in Kenya.

In 1977, Maathai founded the Green Belt Movement, an environmental non-governmental organization focused on the planting of trees, environmental conservation, and women's rights. In 1984, she was awarded the Right Livelihood Award for "converting the Kenyan ecological debate into mass action for reforestation". Maathai was an elected member of the Parliament of Kenya and between January 2003 and November 2005 served as assistant minister for environment and natural resources in the government of President Mwai Kibaki. She was an Honorary Councillor of the World Future Council. (Full article...)

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The World Wide Fund for Nature (WWF) is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. It was formerly named the World Wildlife Fund, which remains its official name in Canada and the United States.

WWF is the world's largest conservation organization, with over five million supporters worldwide, working in more than 100 countries and supporting around 3,000 conservation and environmental projects. They have invested over $1 billion in more than 12,000 conservation initiatives since 1995. WWF is a foundation with 55% of funding from individuals and bequests, 19% from government sources (such as the World Bank, DFID, and USAID) and 8% from corporations in 2014. (Full article...)

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The following are images from various environment-related articles on Wikipedia.

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John James Audubon
A true conservationist is a man who knows that the world is not given by his fathers but borrowed from his children.

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